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MATRIX SPIKE/MATRIX SPIKE DUPLICATE <br /> I <br /> PESTICIDES <br /> Analytical Method- EPA 8080 <br /> Preparation Method EPA 3550 <br /> ' Company Raney Geotechnical SDG # 12901 <br /> Project Name Gateway Project Number: 794002 <br /> Sample Description NA Lab ID 12901-1129622,29623-7536 <br /> Sample Number EBI-11 Date/Time Sampled 10/30/95 12.15 <br /> Date/Time Received- 10/31/95 10 48 Matrix Soil S Units up-/K b <br /> ' Date Prepared 11/01/95 11 15 Batch Number 4009-951101 <br /> Initial Wt /Volume 30 , 30 grams % Moisture NA <br /> Final Volume 5 , 5 mL <br /> MS Date Analyzed- 11/02/95 MSD Date Analyzed 11/02/95 <br /> Instrument/Column pgc05/RTX-35 <br /> Analyst LLI Data File 95303m38-0, 95303m39- <br /> (a) (b) (c) (d) (e) (1) (g) <br /> Sample <br /> MS/ Sample Dup Acceptance <br /> MSD + + Spike Limits <br /> Sample Spike Spike Spile Spike Dup RPD <br /> ' Analyte Conc Cone Cone Rec % Conc Ree % % % Rec RPD <br /> gamma-BHC (Lindane) 0 42 42 102 44 106 5 46-127 s50 <br /> I Heptachlor 0 42 42 100 45 107 7 35-130 s31 <br /> 4 Aldnn 0 42 3 5 85 3 7 88 6 34-132 s43 <br /> Dieldrin 0 8 3 8 5 102 92 110 8 31-134 s38 <br /> Endrin 0 83 90 108 10 122 11 42-139 s45 <br /> i ' 4,4'-DDT 0 83 8 9 107 94 113 5 23-134 s50 <br /> Spike Recovery = d = ( (c-a) /b) x 100 <br /> Spike Duplicate Recovery = f = ( (e-a) /b) x 100 <br /> Relative Percent Difference = g = ( Ic-el ) / ( (c+e) x 5) x 100 <br /> ' (h) (1) 0) (k) (1) <br /> MSI Sample Sample <br /> MSD + Dup <br /> Surf Surr Surr + Surr <br /> Spike Spike Spike Surr Spike Acceptance <br /> Surrogate Conc Conc Rec % Spike Cone Dup Rec q Limits <br /> ' Tetrachloro-m-xylene 83 76J 9 107 60-150 <br /> 91 <br /> Surrogate o Recovery = 3 = (i-h) x 100 <br /> Surrogate Duplicate Recovery = 1 = (k/h) x 100 <br /> Ae cover letter and enclosures are ral parts of this report <br /> Approved by t Date <br /> MBTvlronmental �'� � Master Sunders Technologies <br /> Labo atones <br /> Report Generated 11/07/95 � `�l Page 1 <br />